# Copyright 2022 iLogtail Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

macro(logtail_define varname docstring default)
    if ("${ARGC}" GREATER 4)
        message(FATAL_ERROR "logtail_define: Too many macro arguments")
    endif ()
    if (NOT DEFINED "${varname}")
        set(${varname} "${default}")
        message(STATUS "Define ${varname} = ${default}")
    endif ()
endmacro()